head to head
Fate/ExtravsTotally Accurate Battle Simulator
Fate/Extra leans Optimization (Systems & Chaos); Totally Accurate Battle Simulator leans Optimization (Systems & Chaos).
Fate/ExtraTotally Accurate Battle Simulator
Axis by axis
Execution1 vs 1
Even - both lean on execution about the same.
Reads1 vs 0
Fate/Extra leans harder on reads: Enemy move sequences are scripted, not adapting minds
Variance5 vs 5
Even - both lean on variance about the same.
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

